YEAR MONTH MEAN STDEV COUNT
2002  1 nan nan 0
2002  2 nan nan 0
2002  3 nan nan 0
2002  4 nan nan 0
2002  5 nan nan 0
2002  6 nan nan 0
2002  7 3.74911e-02 1.26956e-03 257
2002  8 3.48169e-02 1.56394e-03 213
2002  9 3.77354e-02 2.82179e-03 415
2002 10 3.77934e-02 3.07701e-03 731
2002 11 3.98716e-02 2.35122e-03 338
2002 12 4.50119e-02 5.92765e-03 286
2003  1 4.95628e-02 3.04764e-03 704
2003  2 4.70633e-02 4.47633e-03 468
2003  3 4.75425e-02 8.43259e-03 581
2003  4 3.98454e-02 4.97812e-03 432
2003  5 3.72026e-02 2.59785e-03 384
2003  6 4.07579e-02 3.86203e-03 95
2003  7 3.78438e-02 3.73227e-03 292
2003  8 4.47944e-02 3.37148e-03 249
2003  9 4.72239e-02 9.99595e-03 478
2003 10 4.49340e-02 7.20852e-03 685
2003 11 4.18690e-02 2.38794e-03 339
2003 12 5.14907e-02 2.16820e-03 236
2004  1 4.82763e-02 3.65918e-03 448
2004  2 4.46266e-02 5.45103e-03 556
2004  3 3.93650e-02 3.21210e-03 331
2004  4 4.27913e-02 1.18800e-02 555
2004  5 3.43206e-02 3.47395e-03 320
2004  6 3.72712e-02 5.43398e-03 801
2004  7 3.61616e-02 3.02700e-03 558
2004  8 4.20236e-02 8.64917e-03 415
2004  9 4.75237e-02 1.30037e-02 351
2004 10 3.95056e-02 3.39949e-03 665
2004 11 4.28447e-02 4.93262e-03 188
2004 12 4.43641e-02 8.15094e-03 340
2005  1 4.64561e-02 6.08865e-03 635
2005  2 4.40658e-02 1.84485e-03 404
2005  3 4.07894e-02 2.56378e-03 511
2005  4 3.87061e-02 1.62108e-03 424
2005  5 4.04197e-02 4.91438e-03 507
2005  6 3.91219e-02 5.02544e-03 123
2005  7 3.38897e-02 5.26310e-03 397
2005  8 3.93271e-02 5.25357e-03 458
2005  9 4.18978e-02 7.76959e-03 628
2005 10 5.08146e-02 1.87318e-02 343
2005 11 4.59738e-02 8.60248e-03 451
2005 12 6.31298e-02 2.29731e-02 698
2006  1 5.81521e-02 1.89162e-02 497
2006  2 4.61693e-02 5.19681e-03 657
2006  3 3.99844e-02 4.10386e-03 668
2006  4 3.78800e-02 1.01302e-02 630
2006  5 3.76567e-02 2.07552e-03 448
2006  6 3.84836e-02 4.26205e-03 256
2006  7 3.76557e-02 6.94053e-03 273
2006  8 4.54508e-02 7.02919e-03 256
2006  9 4.38954e-02 7.25046e-03 461
2006 10 3.97673e-02 1.11362e-02 520
2006 11 4.27175e-02 4.60250e-03 485
2006 12 4.35956e-02 5.33575e-03 226
2007  1 4.16357e-02 5.60877e-03 437
2007  2 4.56808e-02 2.26763e-02 515
2007  3 4.36304e-02 4.17464e-02 191
2007  4 3.75781e-02 3.44293e-03 512
2007  5 3.67181e-02 3.89362e-03 293
2007  6 3.34507e-02 3.76354e-03 454
2007  7 3.87497e-02 2.13371e-02 322
2007  8 3.94511e-02 1.63340e-02 415
2007  9 4.10914e-02 4.03605e-03 175
2007 10 4.54311e-02 2.87310e-02 148
2007 11 4.37094e-02 4.00429e-03 671
2007 12 4.10472e-02 7.76542e-03 492
2008  1 4.26714e-02 2.78067e-03 378
2008  2 4.34557e-02 1.19700e-02 539
2008  3 3.63654e-02 1.89360e-03 104
2008  4 3.65322e-02 4.03718e-03 366
2008  5 3.92319e-02 2.66896e-03 320
2008  6 3.53936e-02 2.79977e-03 314
2008  7 3.56336e-02 3.15412e-03 399
2008  8 3.65129e-02 2.17810e-03 448
2008  9 3.80796e-02 2.48453e-03 289
2008 10 4.24497e-02 1.82703e-02 443
2008 11 5.45541e-02 6.59559e-02 597
2008 12 4.60200e-02 4.57020e-03 310
2009  1 4.65500e-02 6.37832e-03 612
2009  2 4.20359e-02 4.01064e-03 596
2009  3 4.22424e-02 1.32715e-02 401
2009  4 4.39993e-02 1.54337e-02 283
2009  5 3.86894e-02 1.54882e-02 311
2009  6 3.69444e-02 2.34052e-03 320
2009  7 3.64922e-02 5.46229e-03 204
2009  8 3.51846e-02 2.24576e-03 390
2009  9 4.12953e-02 3.92341e-03 338
2009 10 4.51572e-02 3.21141e-02 799
2009 11 4.05357e-02 3.11444e-03 488
2009 12 4.31842e-02 5.38964e-03 418
2010  1 4.89594e-02 5.96867e-03 350
2010  2 4.89697e-02 9.87840e-03 409
2010  3 5.57288e-02 1.50404e-02 548
2010  4 4.17380e-02 4.77414e-03 416
2010  5 3.81832e-02 4.56404e-03 380
2010  6 3.63905e-02 3.33278e-03 758
2010  7 3.76596e-02 4.90779e-03 453
2010  8 4.77830e-02 1.24462e-02 424
2010  9 3.97841e-02 3.98458e-03 151
2010 10 3.99529e-02 9.95488e-03 667
2010 11 3.83262e-02 4.63021e-03 656
2010 12 5.15220e-02 2.46649e-02 656
2011  1 4.81443e-02 3.84884e-03 449
2011  2 4.58263e-02 1.72311e-02 616
2011  3 3.96087e-02 8.75885e-03 1011
2011  4 3.94834e-02 1.55023e-02 652
2011  5 3.77233e-02 6.14937e-03 527
2011  6 4.80895e-02 4.49594e-02 438
2011  7 4.13210e-02 4.70676e-03 552
2011  8 3.66892e-02 2.17356e-03 130
2011  9 4.22855e-02 4.83508e-03 468
2011 10 5.20353e-02 7.27068e-03 334
2011 11 4.75992e-02 1.54129e-02 515
2011 12 4.41032e-02 4.67453e-03 498
2012  1 4.81052e-02 9.45477e-03 519
2012  2 3.98622e-02 3.71913e-03 711
2012  3 3.48776e-02 2.59247e-03 353
2012  4 3.87377e-02 7.26548e-03 353
2012  5 3.69309e-02 5.13419e-03 220
2012  6 4.18955e-02 6.88448e-03 310
2012  7 3.75406e-02 1.27656e-03 320
2012  8 3.77166e-02 4.32279e-03 441
2012  9 4.30017e-02 5.01183e-03 599
2012 10 4.13786e-02 5.50511e-03 646
2012 11 4.44744e-02 4.19742e-03 820
2012 12 3.98273e-02 2.03452e-03 264
2013  1 3.85678e-02 3.01723e-03 478
2013  2 4.03675e-02 2.87726e-03 603
2013  3 4.06121e-02 2.87120e-03 580
2013  4 3.99710e-02 2.83900e-03 131
2013  5 3.51049e-02 1.53098e-03 448
2013  6 3.91756e-02 3.22173e-04 82
2013  7 3.33477e-02 4.64244e-03 241
2013  8 3.58195e-02 4.58456e-03 256
2013  9 4.52045e-02 5.48436e-03 267
2013 10 4.08663e-02 5.10055e-03 760
2013 11 4.20460e-02 5.47120e-03 252
2013 12 4.33420e-02 2.95694e-03 283
2014  1 4.36323e-02 4.05229e-03 470
2014  2 3.90423e-02 3.60733e-03 833
2014  3 4.11238e-02 4.45238e-03 525
2014  4 3.72892e-02 2.64015e-03 603
2014  5 3.46175e-02 2.50558e-03 320
2014  6 3.70706e-02 8.26755e-03 632
2014  7 3.67641e-02 3.97653e-03 273
2014  8 4.35331e-02 7.03586e-03 568
2014  9 4.50590e-02 2.43555e-02 139
2014 10 4.91606e-02 2.60607e-02 614
2014 11 4.78934e-02 5.84623e-03 593
2014 12 5.10120e-02 5.84750e-03 382
2015  1 4.52372e-02 2.56585e-02 646
2015  2 4.33908e-02 2.79263e-03 523
2015  3 3.95409e-02 3.26566e-03 870
2015  4 3.79882e-02 2.97604e-03 255
2015  5 3.48579e-02 3.16971e-03 546
2015  6 3.56325e-02 1.98308e-03 369
2015  7 3.65201e-02 4.20662e-03 448
2015  8 4.77435e-02 5.21066e-03 510
2015  9 6.88307e-02 5.15876e-02 261
2015 10 5.25490e-02 6.93546e-03 549
2015 11 4.65732e-02 5.42253e-03 396
2015 12 4.64000e-02 4.89903e-03 177
2016  1 4.74677e-02 7.41585e-03 130
2016  2 5.01137e-02 5.48705e-03 540
2016  3 4.67513e-02 6.93143e-03 263
2016  4 3.89217e-02 2.62837e-03 506
2016  5 4.10891e-02 2.82570e-03 256
2016  6 4.13882e-02 6.52413e-03 238
2016  7 3.59961e-02 2.77878e-03 519
2016  8 3.66639e-02 2.35537e-03 344
2016  9 4.55992e-02 1.47213e-02 487
2016 10 4.58323e-02 1.31786e-02 266
2016 11 4.23889e-02 4.29080e-03 361
2016 12 4.55162e-02 5.10259e-03 420
2017  1 4.50685e-02 1.32382e-02 432
2017  2 4.53197e-02 9.62365e-03 493
2017  3 3.83798e-02 9.06561e-03 406
2017  4 4.22554e-02 1.26310e-02 166
2017  5 3.51909e-02 3.17924e-03 638
2017  6 4.77740e-02 4.64640e-02 254
2017  7 3.91580e-02 5.99276e-03 629
2017  8 4.16303e-02 7.31161e-03 376
2017  9 5.70635e-02 3.21040e-02 576
2017 10 4.94745e-02 9.32318e-03 247
2017 11 4.35228e-02 7.61707e-03 658
2017 12 4.23445e-02 3.57035e-03 768
2018  1 4.92326e-02 8.61127e-03 368
2018  2 4.22828e-02 6.63006e-03 667
2018  3 4.14362e-02 6.07962e-03 896
2018  4 3.87919e-02 1.17582e-02 447
2018  5 3.94895e-02 2.94872e-03 190
2018  6 3.51720e-02 6.71101e-03 279
2018  7 3.87256e-02 5.60167e-03 446
2018  8 3.66437e-02 3.38798e-03 398
2018  9 4.90482e-02 1.26350e-02 597
2018 10 4.50051e-02 1.09056e-02 633
2018 11 5.40196e-02 1.41425e-02 428
2018 12 4.96051e-02 1.87814e-02 392
2019  1 4.31882e-02 3.08491e-03 594
2019  2 4.37657e-02 6.28386e-03 664
2019  3 4.02000e-02 2.86963e-02 558
2019  4 3.57560e-02 3.58847e-03 491
2019  5 4.39459e-02 9.26858e-03 307
2019  6 3.39559e-02 2.48144e-03 549
2019  7 3.80880e-02 6.27704e-03 498
2019  8 4.14533e-02 1.13510e-02 345
2019  9 4.85679e-02 7.58030e-03 386
2019 10 4.11480e-02 4.62464e-03 562
2019 11 4.13544e-02 3.06296e-03 802
2019 12 4.40014e-02 5.86846e-03 293
2020  1 4.37819e-02 2.91568e-03 817
2020  2 4.47211e-02 6.69853e-03 403
2020  3 4.08724e-02 1.92176e-02 522
2020  4 3.97091e-02 4.05540e-03 405
2020  5 8.50127e-02 2.03374e-01 395
2020  6 3.34631e-02 2.59718e-03 225
2020  7 4.20772e-02 3.34080e-02 482
2020  8 3.66244e-02 3.04992e-03 704
2020  9 4.05164e-02 6.24179e-03 390
2020 10 4.11868e-02 1.30575e-02 470
2020 11 4.51773e-02 4.36950e-03 150
2020 12 4.41451e-02 4.49602e-03 583
2021  1 4.35974e-02 4.35298e-03 682
2021  2 4.45086e-02 3.70523e-03 503
2021  3 3.79787e-02 3.69613e-03 742
2021  4 3.56646e-02 3.73521e-03 427
2021  5 3.69689e-02 4.08338e-03 206
2021  6 4.10129e-02 1.00008e-02 170
2021  7 3.75988e-02 6.04022e-03 500
2021  8 3.80564e-02 3.91668e-03 514
2021  9 4.51630e-02 4.24983e-03 384
2021 10 4.83934e-02 1.52630e-02 457
2021 11 5.42181e-02 8.02925e-03 565
2021 12 4.40385e-02 1.85128e-02 738
2022  1 4.49630e-02 4.00364e-03 676
2022  2 4.32813e-02 5.25545e-03 428
2022  3 3.75945e-02 7.89912e-03 146
2022  4 3.73892e-02 3.06316e-03 111
2022  5 3.49564e-02 2.73226e-03 564
2022  6 3.42043e-02 2.65599e-03 464
2022  7 3.51854e-02 3.58994e-03 615
2022  8 3.73074e-02 3.79368e-03 544
2022  9 6.43801e-02 1.73262e-02 442
2022 10 3.84368e-02 4.91550e-03 310
2022 11 4.30083e-02 2.54083e-02 678
2022 12 4.15841e-02 1.79207e-02 340
2023  1 4.60674e-02 6.54170e-03 870
2023  2 4.71313e-02 4.24693e-02 929
2023  3 4.16604e-02 1.01743e-02 560
2023  4 3.42984e-02 2.22310e-03 431
2023  5 3.21660e-02 4.02339e-03 400
2023  6 3.73717e-02 4.52376e-03 403
2023  7 4.46218e-02 7.24856e-03 348
2023  8 4.70273e-02 1.27449e-02 440
2023  9 5.87878e-02 2.27348e-02 443
2023 10 5.21946e-02 1.05560e-02 411
2023 11 4.15914e-02 4.23608e-03 232
2023 12 4.65922e-02 4.52140e-03 256
2024  1 4.42498e-02 2.51323e-03 301
2024  2 4.53669e-02 6.56177e-03 423
2024  3 3.98313e-02 2.20087e-03 384
2024  4 4.02844e-02 6.90837e-04 64